Zynga's Game Looks Mixed

Zynga Inc. reported a quarterly loss, flat revenue and declining "bookings"—but investors still sent the company's shares surging more than 5% in after-hours trading.

The results and stock action signaled how low expectations have fallen for the San Francisco online-game company, which went public in 2011 as an Internet highflier but has since struggled amid shifting consumer tastes with games, among other factors.